CBLL vs HTFL vs RTGN Stock Comparison

Ceribell, Heartflow and RetinalGenix Technologies Prices as of Oct 28, 2026 Peers: Industry group
CBLL Ceribell, Inc.
$27.22 +11.1% 1M +112.2% 1Y
Market cap
$1.06B
P/E
–
Revenue (TTM)
$101.96M
Div. yield
–
Diagnostic Equipment Healthcare
1 win
HTFL Heartflow, Inc.
$59.10 +18.4% 1M +54.3% 1Y
Market cap
$5.19B
P/E
–
Revenue (TTM)
$202.91M
Div. yield
–
Diagnostic Equipment Healthcare
4 wins

Head to Head

6 decided of 12

Heartflow leads on 4 of the 12 questions below (Heartflow 4, Ceribell 1, RetinalGenix Technologies 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCBLLHTFLRTGNLeader
Larger companyMarket capitalisation $1.06B $5.19B $75.19M HTFL
Cheaper on earningsLower P/E, profitable companies only -16.0x -51.8x -35.9x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +31.7% +42.5% — HTFL
More profitableNet margin, trailing twelve months -64.7% -49.4% — HTFL
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA 1.6x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% — –
Better 1-year returnPrice return, last 12 months +112.2% +54.3% +6.4% CBLL
Better 5-year returnAnnualised price return, 5 years — — — –
Less volatileAnnualised volatility, 1 year 52.1% 76.8% 25.4% RTGN
Higher overall scoreMean of the five percentile scores vs peers 39/100 57/100 36/100 HTFL

Percentile Scorecard

CBLLHTFLRTGN

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisCBLLHTFLRTGN
Valuation 24 #173 of 227 9 #206 of 227 62 #86 of 227
Growth 23 #170 of 219 77 #51 of 219 56 #96 of 219
Profitability 38 #128 of 205 49 #106 of 205 –
Financial Health 81 #47 of 237 92 #21 of 237 0 #236 of 237
Shareholder Returns 28 #97 of 135 – 26 #100 of 135
Overall 39 57 36
  • CBLL ranked among 247 companies in Medical Devices and Diagnostics
  • HTFL ranked among 247 companies in Medical Devices and Diagnostics
  • RTGN ranked among 247 companies in Medical Devices and Diagnostics

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodCBLLHTFLRTGNSPY
1 month +11.1%+18.4%0.0% +0.9%
3 months +53.5%+136.0%-0.2% +5.9%
6 months +41.4%+100.1%+24.7% +8.5%
Year to date +24.1%+102.7%+24.7% +13.3%
1 year +112.2%+54.3%+6.4% +12.4%
3 years ——-11.1% +88.1%
3 years, per year ——-3.9% +23.5%

Risk

MeasureCBLLHTFLRTGNSPY
Volatility, 1Y 52.1%76.8%25.4% 12.7%
Downside volatility, 1Y 49.7%77.8%— 12.7%
Beta vs S&P 500, 1Y 1.211.90-0.04 1.00
Return / volatility, 1Y 2.150.710.25 0.98
Max drawdown, 5Y -63.9%-48.7%-92.0% -25.4%
From 52-week high -1.7%0.0%-0.2% -0.9%
52-week high $27.68$59.10$4.00 $779.14
52-week low $10.92$20.49$3.20 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleCBLLHTFLRTGN
P/E now vs peer median -15.7xmedian 28.8x -51.0xmedian 28.8x -35.9xmedian 28.8x
P/S now vs peer median 10.2xmedian 3.0x 25.3xmedian 3.0x —median 3.0x
EV/EBITDA now vs peer median -13.6xmedian 17.4x —median 17.4x —median 17.4x
P/FCF now vs peer median -19.0xmedian 25.7x —median 25.7x -157.3xmedian 25.7x
P/B now vs peer median 8.1xmedian 2.4x 18.3xmedian 2.4x -28.5xmedian 2.4x
PEG now vs peer median —median 1.03 —median 1.03 -1.63median 1.03

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsCBLLHTFLRTGN
Revenue $101.96M $202.91M –
Gross profit $90.65M $160.45M –
Operating income -$69.97M -$64.46M –
Net income -$66.00M -$100.19M -$2.09M
Free cash flow -$54.72M – -$477.94K
R&D $22.95M $77.26M $238.87K
EPS (diluted) $-1.74 $-1.16 $-0.11
Cash & equivalents $32.66M $34.36M $27.23K
Total debt $19.98M – $245.00K
Shares (diluted) 38.03M 86.40M 18.81M
Enterprise value $458.28M $4.94B $75.14M

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricCBLLHTFLRTGN
P/E -15.7x -51.0x -35.9x
P/FCF -19.0x – -157.3x
P/Operating cash flow -19.3x – -157.3x
P/S 10.2x 25.3x –
P/B 8.1x 18.3x -28.5x
P/Tangible book 8.1x 18.3x -28.5x
EV/EBITDA -13.6x – –
EV/EBIT -13.3x -75.7x –
EV/Revenue 9.1x 24.0x –
EV/FCF -17.0x – -157.4x
EV/Operating cash flow -17.2x – -157.4x
PEG (3Y EPS CAGR) – – -1.63

Growth

14 metrics
MetricCBLLHTFLRTGN
Revenue growth (1Y) 31.7% 42.5% –
Revenue CAGR (3Y) – – –
Gross profit growth (1Y) 33.4% 48.8% –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) -34.6% -9.5% –
Operating income CAGR (3Y) – – –
Net income growth (1Y) -33.6% -18.3% 24.0%
Net income CAGR (3Y) – – 19.7%
EPS growth (1Y) -27.5% 91.4% 25.9%
EPS CAGR (3Y) – – 22.0%
Operating cash flow growth (1Y) -44.3% – 37.1%
Operating cash flow CAGR (3Y) – – -17.6%
Free cash flow growth (1Y) -41.8% – 37.1%
Free cash flow CAGR (3Y) – – -17.6%

Profitability

14 metrics
MetricCBLLHTFLRTGN
Gross margin 88.9% 79.1% –
EBITDA margin -67.1% – –
Operating margin -68.6% -31.8% –
Pretax margin -64.7% -49.4% –
Net margin -64.7% -49.4% –
FCF margin -53.7% – –
Operating cash flow margin -53.0% – –
Return on equity -49.0% -34.5% –
Return on assets -38.3% -28.5% –
Return on invested capital – – –
Return on capital employed -45.1% -20.9% –
Asset turnover 0.6x 0.6x –
Cash conversion (OCF / net income) 0.8x – 0.2x
Stock comp / revenue 16.1% 9.6% –

Financial Health

11 metrics
MetricCBLLHTFLRTGN
Debt / assets 12.0% – 152.1%
Debt / equity 0.2x – 0.0x
Net debt / EBITDA 1.6x – –
Debt / FCF -0.4x – -0.1x
Liabilities / assets 22.9% 18.8% 8,297%
Equity / assets 77.1% 81.2% -8,197%
Interest coverage -38.6x – –
Current ratio 9.2x 5.1x 0.0x
Quick ratio 8.6x 6.6x 0.0x
Cash ratio 7.5x 5.6x 0.0x
Altman Z-score 14.47 43.50 –

Shareholder Returns

7 metrics
MetricCBLLHTFLRTGN
Dividend yield – – –
Net buyback yield -0.6% – -0.8%
Shareholder yield -0.6% – -0.8%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusCBLLHTFLRTGN
EPS, next fiscal year $-1.86FY2026 $-0.43FY2026 –
Revenue, next fiscal year $118.32MFY2026 $261.38MFY2026 –
Revenue growth, next FY +32.9%FY2026 +48.5%FY2026 –
Revenue growth, the year after +21.1% +20.6% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCBLLHTFLRTGN
Held by institutions 79.9% 100.0% –
Institutions holding 124 192 –
Change in shares held, QoQ +2.2% +133.0% –
Institutions buying 74 140 –
Institutions selling 36 38 –
Buyers to sellers 2.06 3.68 –

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

CBLLHTFLRTGN
CBLL 1.00 0.25 -0.09
HTFL 0.25 1.00 0.00
RTGN -0.09 0.00 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, CBLL, HTFL and RTGN?

Heartflow (HTFL) is the largest by market capitalisation: Ceribell (CBLL) $1.06B, Heartflow (HTFL) $5.19B, RetinalGenix Technologies (RTGN) $75.19M.

Which company is growing faster?

Heartflow (HTFL) grew revenue fastest over the trailing twelve months: Ceribell (CBLL) +31.7%, Heartflow (HTFL) +42.5%.

Which company is more profitable?

Heartflow (HTFL) has the highest net margin (Ceribell (CBLL) -64.7%, Heartflow (HTFL) -49.4%).

Which stock has performed better?

Over the past year Ceribell (CBLL) returned the most: Ceribell (CBLL) +112.2%, Heartflow (HTFL) +54.3%, RetinalGenix Technologies (RTGN) +6.4%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, RetinalGenix Technologies (RTGN) has been the steadiest (Ceribell (CBLL) 52.1%, Heartflow (HTFL) 76.8%, RetinalGenix Technologies (RTGN) 25.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CBLL, HTFL and RTGN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Heartflow (HTFL) leads on 4. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.